Join the Digital IT department of a leading Luxembourg bank and become part of the Open Banking team. He deliver innovative financial platforms and digital banking features through Agile, self-organized product teams. You will work on strategic projects for Open Banking and Open Finance, maintaining our current platform and building new services that comply with PSD2 regulations. Your responsibilities Analyze business needs and translate them into technical solutions Design and develop secure APIs and microservices using Java 17+ and Spring Boot Implement features aligned with Berlin Group NextGenPSD2 standards Write automated tests (TDD/BDD) and ensure code quality Collaborate in Agile ceremonies and share knowledge within the Dev Community Support Third-Party Providers (TPPs) and troubleshoot integration issues Contribute to CI/CD pipelines and DevOps practices Your profile Minimum 5 years of experience in IT development Strong expertise in Java 17+, Spring Boot, and microservices architecture Proven banking experience (mandatory) Knowledge of PSD2, Open Banking concepts, and Berlin Group standards Familiarity with TDD/BDD, DevOps, and CI/CD tools Fluent in English and French (spoken and written) Passionate about software craftsmanship and continuous improvement Nice to Have Experience with OAuth2, eIDAS certificates, and secure API design Understanding of enterprise architecture and event-driven systems Previous experience on Open Banking projects (major advantage) Location: Luxembourg Contract: Freelance (3-month renewable contracts, mission expected to last minimum 12 months) Hays plc est l'un des principaux groupes mondiaux de recrutement de professionnels. Hays est l'expert du recrutement de personnes qualifiées, professionnelles et compétentes dans le monde entier. Hays est le leader du marché au Royaume-Uni et en Asie-Pacifique et également l'un des leaders du marché en Europe continentale et en Amérique latine. Hays intervient pour le compte de milliers d’entreprises des secteurs privé et public, sur des postes en CDI, CDD, Travail Temporaire et Contracting. Hays France & Luxembourg compte aujourd’hui plus de 650 salariés répartis au sein de 22 bureaux (Aix-en-Provence, Amiens, Biarritz, Bordeaux, Clermont-Ferrand, Dijon, Grenoble, La Rochelle, Lille, Lyon, Montpellier, Nancy, Nantes, Nice, Paris, Reims, Rennes, Rouen, Strasbourg, Toulouse, Tours et au Luxembourg) couvrant 25 secteurs d’activité.